Fix SVG import treating gamma-encoded colors as linear-light

Keavon · Keavon · commit c4a978009acc · 2026-05-16T05:37:01.000-07:00
diff --git a/editor/src/messages/portfolio/document/graph_operation/graph_operation_message_handler.rs b/editor/src/messages/portfolio/document/graph_operation/graph_operation_message_handler.rs
@@ -485,7 +485,8 @@ struct ArtboardInfo {
 }
 
 fn usvg_color(c: usvg::Color, a: f32) -> Color {
-	Color::from_rgbaf32_unchecked(c.red as f32 / 255., c.green as f32 / 255., c.blue as f32 / 255., a)
+	// `usvg::Color` channels are u8 sRGB display values (gamma-encoded); lift to linear-light for the internal `Color`
+	Color::from_gamma_srgb_channels(c.red as f32 / 255., c.green as f32 / 255., c.blue as f32 / 255., a)
 }
 
 fn usvg_transform(c: usvg::Transform) -> DAffine2 {

Original file line number	Diff line number	Diff line change
`@@ -485,7 +485,8 @@ struct ArtboardInfo {`
`485`	`485`	`}`
`486`	`486`
`487`	`487`	`fn usvg_color(c: usvg::Color, a: f32) -> Color {`
`488`		`- Color::from_rgbaf32_unchecked(c.red as f32 / 255., c.green as f32 / 255., c.blue as f32 / 255., a)`
	`488`	+ // `usvg::Color` channels are u8 sRGB display values (gamma-encoded); lift to linear-light for the internal `Color`
	`489`	`+ Color::from_gamma_srgb_channels(c.red as f32 / 255., c.green as f32 / 255., c.blue as f32 / 255., a)`
`489`	`490`	`}`
`490`	`491`
`491`	`492`	`fn usvg_transform(c: usvg::Transform) -> DAffine2 {`